Apparatus and method for trimming signatures

Details Apparatus and method for trimming signatures Apparatus and method for trimming signatures

1987-06-15

1988-12-27

Yost, Frank T.

Cutting

Processes

With preparatory or simultaneous ancillary treatment of work

83 29, 83 34, 83151, 83155, 83154, 831551, 83508, 83509, 834254, 83925A, B26D 102, B26D 120

Patent

active

047932279

ABSTRACT:
Apparatus and method for trimming signatures moving in a continuous stream and in an arcuate path as controlled by a conveyor. A trimming knife is stationarily disposed adjacent the arcuate path for engaging the marginal edges of the signatures and trimming those edges. Input and output conveyors are in signature-flow communication with the conveyor of the arcuate path, and either input or output conveyor can be reversed for the input and output function, and also the conveyor having the arcuate path can accordingly be reversed so that the signatures can move in either continuous arcuate path of movement for the trimming process.

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patent: 4496140 (1985-01-01), Stobb
patent: 4511131 (1985-04-01), Raybuck
patent: 4566360 (1986-01-01), Lehmann

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